baber/WOPTO huggingface dataset:
Patent JP-2005516654-A (JP)
IPC: F21S10/02
Filed: 2003-02-06
Abstract: A lighting system suitable for chromatherapy includes a plurality of light fixtures mounted through walls of a tub basin to project different color light into the water in the tub. The light fixtures are operated by a central control unit and each includes a housing having a concave internal surface. An array of light emitting diodes that project different color light is mounted under a cap covering one end of the housing. A lens is threaded onto the opposite end of the housing from within the tub basin to secure the light fixture to the tub. The concave surface has the different color light projected on it, and reflects light out the light fixture in mixed fashion.
Patent JP-2005528933-A (JP)
IPC: A61L31/10
Filed: 2003-02-21
Abstract: The present invention is directed to a stabilized bioactive hydrogel matrix coating for substrates, such as medical devices. The invention provides a coated substrate comprising a substrate having a surface, and a bioactive hydrogel matrix layer overlying the surface of the medical device, the hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component, the first and second high molecular weight components each being selected from the group consisting of polyglycans and polypeptides, wherein at least one of the first and second high molecular weight components is immobilized (e.g., by covalent cross-linking) to the surface of the substrate.
Patent JP-2005520765-A (JP)
Title: Ｕｖ感光性溶融ガラス
IPC: C03C3/112
Filed: 2003-03-13
Abstract: 本発明は、広く、ＵＶ（紫外線）感光性バルクガラスに関し、詳しくは、バッチ溶融可能なアルカリボロアルミノシリケートガラスおよびゲルマノシリケートガラスに関する。本発明の感光性バルクガラスは、３００ｎｍ未満のＵＶ波長に対して感光性を示す。アルカリボロアルミノシリケートバルクガラスおよびゲルマノシリケートバルクガラスの、３００ｎｍ未満のＵＶ波長に対する感光性により、ガラス中に屈折率パターンを作製できる。レーザなどの３００ｎｍの放射線源により、ガラス中に屈折率パターンが形成される。本発明の感光性光屈折率パターン形成バルクガラスにより、ガラス中にパターンを形成でき、そのようなパターンの形成されたガラスを用いたデバイスを製造できる。
Patent JP-2005526804-A (JP)
Title: チオピリミジンおよびイソチアゾロピリミジンキナーゼ阻害剤
IPC: A61P7/10
Filed: 2003-03-20
Abstract: 次の式を有する化合物は、タンパク質チロシンキナーゼを阻害するのに有用である。本発明は、これらの化合物を製造する方法、これらの化合物を含有する組成物、およびこれらの化合物を用いる治療方法についても開示する。     【化４２１】
Patent JP-2005525392-A (JP)
IPC: A61P25/22
Filed: 2003-03-28
Abstract: Methods of using orally active benzodiazepine derivatives and their salts are disclosed. These compounds and their salts have anticonvulsant and anxiolytic activity with reduced sedative, hypnotic, muscle relaxant, or ataxic effects.
Patent JP-2005524255-A (JP)
Title: 移動無線システムにおけるキー更新
IPC: H04L12/56
Filed: 2003-04-04
Abstract: 【課題】移動無線システムにおけるキー更新。 【解決手段】本開示は、移動ＩＰネットワーク内で用いるためのセキュリティキー更新方式を記述する。更新方式は、移動デバイスおよび移動デバイスを認証するサーバ計算機間のセキュリティキー更新を容易にするために実行することが可能である。この中に記述された技術は、更新ルーチン期間中の可能性のあるメッセージ損失、更新ルーチン期間中の移動デバイス故障、あるいは移動ネットワークセッティングにおいて典型的に遭遇する他の問題を考慮に入れるような方法で、セキュリティキー更新を容易にすることが可能である。このようにして、技術はセキュリティキー更新のための強力な方式を与えることが可能であり、そしてネットワークセキュリティを改善することが可能である。
Patent JP-2005522524-A (JP)
Title: 抗蠕虫性アントラキノン及びその使用方法
IPC: A61K31/21
Filed: 2003-04-11
Abstract: 抗蠕虫性であり、特に住血吸虫ｓｐ．を、ｉｎ  ｖｉｔｒｏ又はｉｎ  ｖｉｖｏで、阻害するための組成物に有用であるアントラキノンについて述べる。好ましいアントラキノンは、式（Ｉ）（式中、Ｒ １ 、Ｒ ２ 、Ｒ ３ 及びＲ ４ はそれぞれ、水素、ヒドロキシ、ハロゲン、アルキル、置換されたアルキル、アルケン、置換されたアルケン、アルキン、アリール、置換されたアリール、環状、置換された環状、酸基、炭水化物又はそれらの組合せであり、Ｒはメチル、アルキル、置換されたアルキル、アルデヒド、ヒドロキシ、ヒドロキシメチル、酸基、炭水化物又はそれらの組合せなどの１〜１２個の炭素を含む基であり、ハロゲンはＩ、Ｆ、Ｂｒ又はＣｌである）を有する。
Patent JP-2005195273-A (JP)
Title: Heat exchanger
Inventor: MURATA SADAMU
IPC: F28D1/03
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat exchanger, manufactured at a low cost while having high pressure resistance.  <P>SOLUTION: In this heat exchanger, a plurality of tubes 11 formed of plate members 11A, 11B having a refrigerant passage forming part 18 and a plurality of tank forming parts 15 are stacked, and a fin 12 is disposed between the tubes 11 adjacent to each other in the stacking direction. The tube 11 is provided with first tank parts 16A, 16B formed at both end parts by a pair of tank forming parts 15 and a refrigerant passage 18 formed in the central part by a pair of refrigerant passage forming parts 18, and second tank parts 16a, 16b composed of a pair of tank forming parts 15 are formed between the adjacent tubes 11. The second tank parts 16a, 16b are communicated with the adjacent first tank parts 16A, 16B.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005198100-A (JP)
Title: Image processor, image processing method, and image processing program
Inventor: SEKIGUCHI SHUNICHI
IPC: H04N19/86
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently execute a post-filtering process for eliminating block distortion remaining in a DCT unit block boundary after decoding/expanding.  <P>SOLUTION: An evaluation value for showing the change rate of a pixel value in a picture signal is calculated to execute an arithmetic process of a filter coefficient using the calculated evaluation value, and a filtering process is applied to a pixel of the picture signal using the arithmetically processed filter coefficient.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005193283-A (JP)
Title: Injection plunger in metal forming machine
Inventor: KODA NORIHIRO
IPC: B22D17/02
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To successively perform a smooth weighing even to semi-melted alloy having thixotropy characteristic by enlarging the cross-sectional area of a flowing path and a flowing groove so as not to develop any trouble at the injection time, in an injection plunger in a metal forming machine.  <P>SOLUTION: The injection plunger in the metal forming machine which is provided with a ring valve so as to be freely advanced/retreated, at the surrounding of a shaft part having smaller diameter than the tip end part recessedly arranging the flowing groove and the flowing path arranged between this ring valve and the shaft part, and is opened/closed by attaching/detaching with a sheet ring arranged to the rear end surface of the ring valve and the rear part of the shaft, is the one, in which the cross-sectional area of the flowing path is formed as large. The bottom surface of the flowing groove is recessedly arranged to be deeper than the side surface of the shaft part and the cross-sectional area of this flowing groove is formed as large. This flowing groove is formed as long from the inside of the tip end part of the flowing path to the tip end surface of the tip end part by extendingly forming the bottom surface to in the shaft part.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005194472-A (JP)
Title: Metal plate-coating resin composition, resin-coated metal plate, can and lid of can
Inventor: SATO KAZUHIRO
IPC: B65D8/16
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a metal plate-coating resin composition excellent in various characteristics such as impact resistance, corrosion resistance, embrittlement resistance with time, wet heat resistance at a high temperature, and the like, and also suppressing the generation of gel, to provide a resin-coated metal plate having a coating layer consisting of the resin-coating composition, and a can and lid of the can consisting of the resin-coated metal plate.  <P>SOLUTION: The metal plate-coating resin composition consists of a thermoplastic polyester resin, an olefin-based polymer, an ionomer resin and tocopherol. The olefin-based polymer is finely dispersed in the thermoplastic polyester resin and also at least a part of it has a structure of encapsulated with the ionomer resin, and the composition contains 0.01-2 wt.% tocopherol.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005202245-A (JP)
Title: Electrophoretic display device and its manufacturing method
Inventor: MITSUMOTO YOSHIMASA
IPC: G02F1/167
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrophoretic display device and its manufacturing method which is superior in contrast without display unevenness.  <P>SOLUTION: The electrophoretic display device 1 comprises: a pair of substrate 2, 3 facing each other; a partition 4 forming a plurality of small cells between the substrates 2, 3; a solvent 6 containing electrophoretic particles 5, enclosed in the small cells; and a pair of electrodes 7, 8. for impressing a voltage to the migrating particles 5. At least one of the substrate 2, 3, is formed by a resin substrate formed with a resin layer 9 containing a thermal plastic resin and the electrode 7 on the surface; the resin layer 9 is provided with unevenness for forming the partition 4; the height of the partition 4 is ≥10 μm, and ≤200 μm; the aspect ratio of the partition 4 is equal to or larger 1 and ≤100, and Tg1 is the glass transition temperature of the thermal plastic resin; and Tg2 is the glass transition temperature of the substrate 2; and the Tg1 is ≥10°C, ≤100°C, and Tg1-Tg2 is ≤20°C.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005203672-A (JP)
Title: Method of manufacturing semiconductor device
Inventor: KANEMURA RYUICHI
IPC: H01L21/3065
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To prevent short-circuit failure between adjacent wiring of different electrical potential by selectively shrinking the contact holes not covered by upper-layer wiring.  <P>SOLUTION: The method to be disclosed includes a step of forming first and second insulating films 18, 19 on a substrate on which first wiring lines 16 are formed, a step of sequentially forming first to third mask layers 21 to 23 thereon, a step of forming wiring groove patterns 24 on the third mask layer 23, a step of selectively processing the third mask layer 23 which protrudes toward inside of the wiring groove patterns 24 to form tapered shapes, a step of forming contact hole patterns 26 on the second and the first mask layers 22, 21 while removing the taper-shaped parts of the third mask layer 23, and a step of forming the wiring grooves 33 in the second insulating film 19 by etching using the third mask layer 23 while forming the contact holes 31 in the insulating film by etching using the first and the second mask layers 22, 21.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005201597-A (JP)
Title: Melting furnace
Inventor: YAMAMOTO MAKOTO
IPC: F23G5/16
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To stabilize quality of molten slag in regard to a melting furnace melting powder and grain of noncombustibles in high temperature and turning them into molten slag.  <P>SOLUTION: In the melting furnace 1 melting powder and grain of noncombustibles in high temperature, turning them into molten slag, and delivering the molten slag from an opening 6 formed in a furnace bottom 5, a plurality of weirs 11 and 12 are provided around the opening with an interval in between, cutouts 14 and 16 are respectively provided in each weir in mutually deviated positions, molten slag flowing down along a furnace wall is cambered by the plurality of weirs 11 and 12, and by elongating residence time until delivery from the opening of the furnace bottom, melting sufficiently, and promoting mixing, molten slag is obtained having a fine and firm structure and no dispersion of quality such as strength and acid resisting properties.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005206387-A (JP)
Title: Glass laminate and its production method
Inventor: OKAMOTO YASUSHI
IPC: C03B19/08
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a glass laminate which suppresses the nonuniformity of pores generated during the formation of a foamed layer, has high heat insulation properties and strength necessary for the use as a wall covering material, a flooring material, or the like of a building, and has good designability; and a production method of the same.  <P>SOLUTION: A beadlike foamable glass raw material containing a foaming agent is deposited in a layered state to form a laminar deposit 1A; then plate glass 2 is placed on the upper side of the laminar deposit 1A of the beadlike foamable glass raw material; and the beadlike foamable glass raw material of the laminar deposit 1 and the plate glass 2 are simultaneously heated. Thus, the beadlike foamable glass raw material of the laminar deposit 1A is foamed and baked to form a foamed glass layer 1, and the lower surface of a plate glass layer 2 composed of the plate glass and the upper surface of the foamed glass layer 1 are melt bonded and integrated to each other.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005206856-A (JP)
Title: Fine-particulate silver powder coated with aluminum oxide, and manufacturing method therefor
Inventor: SASAKI TAKUYA
IPC: H01B1/22
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fine-particulate silver powder used in an electroconductive paste for forming an electrode of an electronic circuit board, which does not cause a problem like a crack in the electronic circuit board when the electroconductive paste is baked together with the electronic circuit board.  <P>SOLUTION: A method for manufacturing the fine-particulate silver powder includes covering the surface of silver particulates with aluminum oxide by hydrolyzing aluminum alkoxide; and thereby shifting a temperature to be sintered for the silver particulates to a higher side than a sintering-initiating temperature among silver particles.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204951-A (JP)
Title: Microbubble generator
Inventor: FUKUI HIDEAKI
IPC: A47K3/00
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a microbubble generator, effectively reducing jetting noise.  <P>SOLUTION: In this microbubble generator, a gas-liquid dissolved fluid in which gas is pressurized and dissolved in liquid is pressure-released by a pressure reducing valve, thereby generating microbubbles and simultaneously injection discharging the same in a liquid tank through a discharge opening. The discharge side of the discharge opening 24d of the pressure reducing valve 18 is provided with injection noise damping means 28 (A to C), and the damping means 28 (A to C) are formed of a mesh body 28A or an elastic body 28B surrounding the periphery of the discharge side of the discharge opening 24d or a conical body 28C provided in the center of the discharge side of the discharge opening 24d.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005207942-A (JP)
Title: Rotation detector
Inventor: MORISHITA AKIHIRA
IPC: G01D5/244
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To reduce torque ripples of a motor caused by a rotation detector.  <P>SOLUTION: A periodicity multiplying part 51 multiplies a rotational angle θ of a detection target by ripple periodicity m per one rotation of the detection target. An adder 53 adds a phase adjustment value ψ from a phase adjustment part 49 to mθ. The sin(mθ+ψ) calculated by a sine operation part 55 is multiplied by a predetermined gain G by an amplitude adjustment part 57, and an angular velocity ω of the detection target by a multiplier 59. A subtractor 61 subtracts ω from a multiplier 59 output to output ω(1-Gsin(mθ+ψ)). The subtractor 61 output and the adder 53 output mθ+ψ are introduced to the phase adjustment part 49 and the amplitude adjustment part 57. The phase adjustment part 49 calculates the phase adjustment value ψ on the basis of integration of differential values of subtractor 61 outputs sampled every π/2 of adder 53 outputs. The amplitude adjustment part 57 calculates the gain G on the basis of integration of differences between averages of sample values in 0 and π and time integral average values in 0-π of the adder 53 outputs.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005211236-A (JP)
Title: Decorative board
Inventor: NAITO JINJI
IPC: A47B96/20
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To facilitate machining, improve novelty, originality and decorativeness, be changeful and diversified and widely diversify a design.  <P>SOLUTION: This decorative board has its outer circumferential thick board surface formed into an ornament part 1, and the ornament part 1 is formed by laminating layers 2 having different colors into an approximate annual ring. This board is formed with a notch part 3 for exposing the inner layer 2 to the side. The notch part 3 is preferably annually formed into a groove extending circumferentially. The notch part 3 may be formed into a slope face.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005213188-A (JP)
Title: Compound, charge transport material, organic electroluminescent element material and organic electroluminescent element
Inventor: IIDA KOUICHIRO
IPC: C07D209/86
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a compound having excellent charge transport properties and a compound that becomes an element having high drive stability and high luminous efficiency when used in an organic electroluminescent element.  <P>SOLUTION: The compound is represented by general formula (1) (Ar<SP>1</SP>-Ar<SP>4</SP>are each independently an aromatic hydrocarbon group or aromatic heterocyclic group which may contain a substituent group; R<SP>1</SP>-R<SP>4</SP>are each independently an arbitrary substituent group; n<SB>1</SB>-n<SB>4</SB>are each independently an integer of 0-3; Z<SP>1</SP>-Z<SP>2</SP>are each a direct bond for combining a carbazole ring with a connecting group Q or an arbitrary connecting group containing an electron to be conjugated with a carbazole ring; the connecting group Q is an arbitrary connecting group to be substantially nonconjugated with the two carbazole rings in the molecule).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005218218-A (JP)
Title: Driving power supply
Inventor: MINAMI KAZUAKI
IPC: B06B1/08
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To simplify the treatment of a power supply means for driving an electrical circuit such as a piezoelectric oscillator mounted on a rotating revolver.  <P>SOLUTION: In the driving power supply on a rotating board for supplying power to the electrical circuit such as the piezoelectric oscillator used on the rotating mount board, the power supply utilizes rotational movement energy or light energy, and is used as the driving power supply for an electrical circuit such as the piezoelectric oscillator.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005215589-A (JP)
Title: Image display device
Inventor: KUWABARA AKIHIRO
IPC: G09G5/36
Filed: 2004-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problems wherein it is difficult to display video contents visually accurately, even if a user tries to display them with favorite colors and when a color adjustment point and a color palette are displayed separately, as before, they do not visually match each other because of color contrast phenomenon.  <P>SOLUTION: An image display device is equipped with a means (10) of inputting and displaying a video signal; a means (1) of displaying the adjustment point; and means (2, 3) of displaying an adjustment color and a target color, and displays the adjustment color and the color palette of the target color near a selection point selected by the adjustment point.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005223972-A (JP)
Title: Cable passing jig
Inventor: SHIBATA HIROYOSHI
IPC: H02G1/08
Filed: 2004-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cable passing jig capable of passing a laying cable or a pushing wire smoothly even through such a cable laying passage as existing cables are intertwining intricately.  <P>SOLUTION: The cable passing jig has an expanding/contracting body 12 formed by bundling the opposite ends of a plurality of wires 18 on the forward end side of a rod 14, and a plurality of strings 19 (19a, 19b) for tightening the plurality of wires 18 are wound around the expanding/contracting body 12. The expanding/contracting body 12 has one end being fitted idly, as a securing part 22, to the rod 14 and the other end being fitted, as a movable part 24, to the rod 14 wherein the movable part 24 is urged to approach the securing part 22.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005222404-A (JP)
Title: Storage control subsystem having virtual storage unit
Inventor: WATANABE HARUAKI
IPC: G06F3/06
Filed: 2004-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a storage control subsystem reducing a possibility of causing a disruption in a host terminal.  <P>SOLUTION: A storage controller 100 provided in the storage control subsystem 102 informs the host terminal of a virtual storage capacity value stored on a shared memory 120. The informed virtual storage capacity value is not changed after the virtual storage capacity value is stored on the host terminal and while a virtual storage unit having the virtual storage capacity value is connected to the host terminal.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005219906-A (JP)
Title: Spiral feeder
Inventor: KATO KATSUYOSHI
IPC: B65G47/14
Filed: 2004-02-09
Abstract: <P>PROBLEM TO BE SOLVED: To rapidly and efficiently align a work that does not satisfy prescribed dimensions mixed in works in which a required number of piled works are carried by a belt conveyor by a pair of left/right spiral rolls without falling in the middle of conveyance, and partitioning the works for each required number of works for sending out to a next-stage device.  <P>SOLUTION: The spiral feeder comprises the belt conveyor 1 for carrying the work 2, the pair of left/right spiral rolls 4, an inclined work shoe 5 for receiving falling works at the lower portion of the spiral roll, a work partition feeding device 10 for partitioning the works for sending out, a work detector 8 for restarting a belt conveyor when no works are detected, and a work full detector of works. In the spiral feeder, a spiral projection 4a for preventing works from falling that is lower than a spiral projection 4b is provided between the pair of left/right spiral projections.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005218741-A (JP)
Title: Heat exchanging device of hot water tank for cooking
Inventor: KAIZUKA TOSHIO
IPC: A23L7/109
Filed: 2004-02-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat exchanging device of a hot water tank for cooking with high heat efficiency, capable of being easily manufactured.  <P>SOLUTION: The hot water tank 14 for cooking, in which a predetermined quantity of hot water 24 is reserved, is box-shaped with upper opening, and a square hole is formed on the bottom 15. A heat exchanging unit 16 is formed with a box-shaped member 17 with lower opening whose lower edge is linear and a fin 19 disposed on the inner side of a side surface of the box-shaped member 17 for improving the heat absorption. The heat exchanging unit 16 is integrated with the hot water tank 14 for cooking by adjusting and welding the lower edge of the box-shaped member 17 to the square hole on the bottom of the hot water tank 14 for cooking with upper opening.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005227387-A (JP)
Title: Lock mechanism
Inventor: NAGAMACHI TOSHIHARU
IPC: H04N1/00
Filed: 2004-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lock mechanism with which an attaching member can be exactly positioned and held on a member to be attached.  <P>SOLUTION: The lock mechanism 21 is constituted of an arm 27, a lock pawl 30, a hook 33, a release lever 34, a release cam 35 and a magnet. When a film carrier 10 is made to slide to an attaching direction, the arm 27, the lock pawl 30 and the hook 33 or the like take part in one another, consequently, the edge part of the lock pawl 30 presses the inner surface of the film carrier 10. The outer surface of the film carrier 10 abuts on a butting surface not illustrated. Thus, the film carrier 10 is positioned and locked in the attaching direction.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005227924-A (JP)
Title: Print system
Inventor: NARASAKI SADATOSHI
IPC: G06F3/12
Filed: 2004-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem in which a print is wasted since a printer which is a mobile type driven by a battery etc., is powered OFF even during communication with a host when the battery power is last.  <P>SOLUTION: A print system is disclosed in which one of a plurality of printers and a host device are connected for communication based upon specified communication rules, wherein the host device ceases the connection for communication when the printer comes into a specified state during transmission of recording data to the printer connected for communication, and selects another printer among the plurality of printers to connect with the selected printer for communication.  <P>COPYRIGHT: (C)2005,JPO&NCIPI